package com.example.demo1.customer;

import com.example.demo1.exception.NotFoundException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Objects;

@Service
public class CustomerService {
    private final static Logger LOGGER = LoggerFactory.getLogger(CustomerService.class);

    private final CustomerRepository customerRepository;

@Autowired
    public CustomerService(CustomerRepository customerRepository) {
        this.customerRepository = customerRepository;
    }

    List<Customer> getCustomers() {
    LOGGER.info("getCustomers called");
    return customerRepository.findAll();
}

    Customer getCustomer(Long id) {
        return  customerRepository
                .findById(id)
                .orElseThrow(() ->{
                    NotFoundException notFoundException = new NotFoundException("customer"+id +" 无法找到");
                    LOGGER.error("error:getCustomer {}" + id,notFoundException);
                    return notFoundException;
                });

    }

}
